2009524815 has 32 divisors (see below), whose sum is σ = 3583834560. Its totient is φ = 1068342912.

The previous prime is 2009524793. The next prime is 2009524823. The reversal of 2009524815 is 5184259002.

It is not a de Polignac number, because 2009524815 - 2¹³ = 2009516623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2009524815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19317 + ... + 66273.

It is an arithmetic number, because the mean of its divisors is an integer number (111994830).

Almost surely, 2^2009524815 is an apocalyptic number.

2009524815 is a deficient number, since it is larger than the sum of its proper divisors (1574309745).

2009524815 is a wasteful number, since it uses less digits than its factorization.

2009524815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47288 (or 47282 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 2009524815 is about 44827.7237320835. The cubic root of 2009524815 is about 1261.9179690134.

The spelling of 2009524815 in words is "two billion, nine million, five hundred twenty-four thousand, eight hundred fifteen".